/framework/core/xml/XmlNodeList.php

 1<?php
 2class XmlNodeList implements Iterator
 3{
 4	var $nodeList;
 5	
 6	function XmlNodeList($inNodeData)
 7	{
 8		$this->nodeList = $inNodeData->firstChild;
 9	}
10	
11	function rewind()
12	{
13		if($this->valid())
14			$this->nodeList = $this->nodeList->parentNode->firstChild;
15	}
16	
17	function current()
18	{
19		return is_null($this->nodeList) ? false : new XmlNode($this->nodeList);
20	}
21	
22	function key()
23	{
24		trigger_error("I don't think that we actually use this");
25		return key($this->nodeList);
26	}
27	
28	function next()
29	{
30		$this->nodeList = $this->nodeList->nextSibling;
31		return is_null($this->nodeList) ? false : new XmlNode($this->nodeList);
32	}
33	
34	function valid()
35	{
36		return $this->current() !== false;
37	}
38}